addRingFromImage        Add ring to pith to bark profile from CT scan
                        image
addRingFromProfile      Add ring to pith to bark profile from profile
                        plot
addYears                Add years to series
calcAvgDens             Calculate average wood, earlywood and latewood
                        density for every ring
checkProfile            Verify position of ring transitions of a
                        density profile
deleteRingFromImage     Add ring to pith to bark profile from CT scan
                        image
deleteRingFromProfile   Delete ring from a pith to bark profile
densityDataFrame        Convert to dataframe
detect_pith             Automatically detect pith in a CT scan image
extractProfile          Get profile between two points of the CTScan
                        image matrix
getEwLw                 Establish the transition point from earlywood
                        to latewood for a series of rings
getImageInfo            Extract from header of CT scan image grayscale
                        number of bits and pixel size
grayToDensity           Convert from 8bit gray scale to density
imageToMatrix           Convert dicom image to matrix
locatePathEnd           Get coordinates of the end of the path on a CT
                        scan image
pithCoordinates         convert pith coordinates from pixels to length
                        units
plotImageProfile        Plot scan image, profile path and ring limits
plotProfile             Plot density profile
relToPixel              Change from relative to fixed pixel coordinate
                        system
removeLastYear          Remove the last year of a profile
verifyPith              Check if pith location is correct
xBitTo8Bit              Convert gray scale from measured bits to 8bit
